geo part 4

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Author:
xryan27x
ID:
139676
Filename:
geo part 4
Updated:
2012-03-04 23:27:16
Tags:
geo
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Description:
geo
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  1. ______________ means “mountain making”, particularly by the folding and thrusting of rock layers, often with accompanying magmatic activity.
    orogeny
  2. Regional metamorphism, high-pressure and ultra-high-pressure metamorphism, and contact metamorphism around intruding plutons are found at ______________________
    convergent plate margins/boundaries
  3. Seafloor metamorphism and contact metamorphism around intruding plutons in the ocean crust are found at ____________________________.
    divergent plate margins/boundaries
  4. _______________________ are groupings of rocks of various mineral compositions formed under different grades of metamorphism from different parent rocks.
    metamorphic facies
  5. _______________________ are composed mainly of crystals that grow in equant (equi-
    dimensional) shapes, such as cubes and spheres, rather than in platy or elongate shapes.
    granoblastic rocks

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